Naturally News - USDA Releases New Plant Hardiness Zone Map; Over 50% of Gardeners Now in a Warmer Zone

Naturally News - USDA Releases New Plant Hardiness Zone Map; Over 50% of Gardeners Now in a Warmer Zone http://www.naturallynews.org/living/usda-releases-new-plant-hardiness-zone-map-over-50-of-gardeners-now-in-a-warmer-zone/ What does the newly-released USDA Hardiness Zone mean for gardeners? Tue, 31 Jan 2012 21:59:07 UTC en